Yukon Gear - ZG GM8.5-411
Ring and Pinion - USA Standard - 4.11 Ratio - 30 Spline Pinion - 8.5 in / 8.6 in - GM 10-Bolt - Kit
USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.
